Unity is based on the Book and the Sunnah and not bidah. We do not look for a common enemy to unite against because as soon as we overcome him, we start fighting amongst ourselves.
O Youth! None is to be Imitated – Regardless Their Status and Importance in Our Communities- Without Clear Proof
Sufyaan Ibn Uyaynah [rahimahullaah] used to say: Indeed, the Messenger [sallal-laahu-alayhi-wasallam] is the greatest criterion [i.e. amongst mankind] and all affairs are presented to him [for judgement and judged] based on his manners, path and guidance;
Some of The Basis of Success In Every Ummah
Ibn Abbaas [radiyallaahu-anhumaa] said: Do not sit with the people of desires [i.e. ahlul bidah], for indeed sitting with them will cause sickness to the hearts. [Al-Ibaanah 2/438]
In The Name of Allaah, The Most Merciful, The Bestower of Mercy Imaam Al-Barbahaaree [rahimahullaah] said: ''If you see a man speaking well of Ibn Abee Du’aad, Al-Mareesee, Thumaamah, Abul Hudhail or Hishaam Al-Footee or any of their adherents, beware
In The Name of Allaah, The Most Merciful, The Bestower of Mercy Allaah [The Most High] said: وَأَنَّ هَـٰذَا صِرَٲطِى مُسۡتَقِيمً۬ا فَٱتَّبِعُوهُۖ وَلَا تَتَّبِعُواْ ٱلسُّبُلَ